<!DOCTYPE html>
<!--
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<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
        $name="hello1,world1";
        $NAME="hello2,world2";
        $NaME="hello3,world3";
        echo "\$name.$name<br/>
        \$NAME.$NAME<br/>
        \$NaME.$NaME<br/>";
        ?>
    </body>
</html>
